40039850

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1997}}^1$

素因数の和:2410

約数の個数: 24

約数和(自身を含む): 74697228

約数和(自身を除く): 34657378

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1997, 2005, 3994, 4010, 9985, 10025, 19970, 20050, 49925, 99850, 800797, 1601594, 4003985, 8007970, 20019925, 40039850]

約数ペア:

[(1, 40039850), (2, 20019925), (5, 8007970), (10, 4003985), (25, 1601594), (50, 800797), (401, 99850), (802, 49925), (1997, 20050), (2005, 19970), (3994, 10025), (4010, 9985)]